A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5975-01-061-9919
NSN 5925-00-619-3652
NSN 5990-01-411-5930
NSN 6145-00-699-8963
NSN 6110-00-632-6078
NSN 6105-01-088-1535
NSN 5905-00-679-5923
NSN 6240-01-406-5345
NSN 5950-00-806-0925
NSN 6620-00-961-4394
NSN 5950-01-595-4952
NSN 4140-01-141-7692